Hepatolithiasis
Hepatolithiasis is the presence of bile duct stones within the intrahepatic bile ducts, specifically proximal to the confluence of the right and left hepatic ducts.
Epidemiology
Hepatolithiasis is common in Asia and the Pacific, with a prevalence of ~40%. It is rare in the West with a prevalence of ~1% .
Associations
- primary sclerosing cholangitis
- postoperative biliary strictures
- Caroli disease
Pathology
Hepatolithiasis can occur with or without the concomitant presence of cholelithiasis or choledocholithiasis.
Etiology
- recurrent pyogenic cholangitis
- low phospholipid-associated cholelithiasis (LPAC) syndrome
- malnutrition
Radiographic features
Refer to: cholelithiasis and choledocholithiasis.